2. Cold germs can survive for up to 3 hours outside of the nasal passage.
3. There is no vaccine for the common cold, since there are more than 100 different viruses that can result in a cold.
4. Colds are more common during seasonal changes when humidity is low.
5. The common cold is a respiratory illnesses, but does not generally result in any serious health problems.
6. Common symptoms of a cold are runny or stuffy nose, sneezing, coughing, sore throats and watery eyes.
